Some calculation formulas are concluded by analysing the dispatch layout method of transporting slag with train in the TBM construction,which offer some references for TBM train transportation.
How to cut TBM construction cost is the key to the popularization of the TBM construction method,and optimizing the TBM labour organization is of great importance to the cost reduction.
The main seepage of assembly pipe in the TBM construction tunnel happens at the joint of pipes,and the water-expansion rubber is the main waterproof material for the assembly pipe joint in the TBM construction tunnel.
The surrounding rock masses stability classification based on the geological documentation of muck and the boring parameters of TBM is not only swift and simple, but also accord with the TBM construction characteristic during the construction of Double-shield TBM in the Yellow River Diversion Project of shanxi province.
The application of two imported TBMs to the Qinling Tunnel on Xi'an - Ankang Railway Line fills the gaps in the TBM construction of China's railway tunnel.
According to the design documents of Qinling tunnel,in view of the features of TBM construction and specific requirements and taking account of the construction requirements of drilling-blasting method used by most tunnels in our country,the paper provides the study method to process the construction geological information of tunnels, and puts forward a set of computer data processing model on railway tunnel construction geological information.
The most possibility of delay in construction of the tunnels of International Bids No.Ⅱ,No.Ⅲ is explained based upon the following analyses:a)The special geohydrological condition such as Karst area,the high ground water level area,the swelling rock area.These conditions will probably be met by the tunnels No.6 and No.7 of International Bids No.Ⅱ,No.Ⅲ.b)The advantages and disadvantages of the TBM method and the drill blast method.c)The condition for selecting of the TBM units.d)The examples of TBM Construc...
This paper briefly introduces the development process of TBM technology and describes in de-tails the application of medium and small 梥ized TBM in hard rock and large 梥ized TBM in medium 梥oft ground and hard rock. Finally some suggestions have been made on the construction of hard rock TBM in large cross梥ection tunnels.